Function ensure_recent_sync

webapp_modern.py:3859–3865

Ensure counts are synchronized if the last update is older than max_age seconds

(max_age=SYNC_BACKGROUND_INTERVAL)

    """Return the live install/uninstall log and current service state."""
    log = ''
    try:
        with open(SENSING_INSTALL_LOG, 'r') as f:
            log = f.read()[-8000:]
    except FileNotFoundError:
        pass
    installed, active = _sensing_unit_state()
    with _sensing_install_lock:
        installing = _sensing_installing
    return jsonify({'success': True, 'log': log, 'installing': installing,
                    'installed': installed, 'active': active})